.heqian-face {
    border: 1px solid #a2a1a1;
    width: 420px;
    padding: 5px;
    position: absolute;
    top: 100px;
    background-color: #ffffff;
    z-index: 1500;
}

.heqian-face:before {
    position: absolute;
    height: 10px;
    width: 10px;
    margin-top: -11px;
    content: " ";
    background-color: #ffffff;
    left: 20px;
    transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    -moz-transform: rotate(45deg);
    -webkit-transform: rotate(45deg);
    -o-transform: rotate(45deg);
    border-top: 1px solid #a2a1a1;
    border-left: 1px solid #a2a1a1;
}

.heqian-face ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 420px;
}

.heqian-face ul li {
    float: left;
    padding: 4px;
    border: 1px rgba(255, 255, 255, 0.18);
    border-left-style: dashed;
    border-bottom-style: dashed;
}

.heqian-face .ul-bottom li {
    border-bottom-style: none;
}

.heqian-face ul .li-left {
    border-left-style: none;
}

.heqian-face ul li:hover {
    background-color: #808080;
}

@media (max-width: 460px) {
    .heqian-face ul li img {
        width: 18px;
        height: 18px;
    }

    .heqian-face {
        width: 280px;
    }

    .heqian-face ul {
        width: 280px;
    }
}